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authorTejun Heo <tj@kernel.org>2015-02-13 14:37:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-13 21:21:37 -0800
commitdfbcbf42dd07b649bb02b1558e2c7150c035b4dc (patch)
tree04762b2661845b712cca07e7939a86c9768169b3 /kernel/workqueue.c
parent807de073bb5c92e6e19f2c3b7075b51e9d5f6a93 (diff)
downloadop-kernel-dev-dfbcbf42dd07b649bb02b1558e2c7150c035b4dc.zip
op-kernel-dev-dfbcbf42dd07b649bb02b1558e2c7150c035b4dc.tar.gz
workqueue: use %*pb[l] to format bitmaps including cpumasks and nodemasks
printk and friends can now format bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index beeeac9..f288493 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3083,10 +3083,9 @@ static ssize_t wq_cpumask_show(struct device *dev,
int written;
mutex_lock(&wq->mutex);
- written = cpumask_scnprintf(buf, PAGE_SIZE, wq->unbound_attrs->cpumask);
+ written = scnprintf(buf, PAGE_SIZE, "%*pb\n",
+ cpumask_pr_args(wq->unbound_attrs->cpumask));
mutex_unlock(&wq->mutex);
-
- written += scnprintf(buf + written, PAGE_SIZE - written, "\n");
return written;
}
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